Home / 613,347,899,461.70-920,040,592,163.15-210,425,717,870.61

Finding the Fourth Proportional to 613,347,899,461.70, 920,040,592,163.15 and 210,425,717,870.61

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Solution

The fourth proportional to 613,347,899,461.70, 920,040,592,163.15 and 210,425,717,870.61 is: 315,645,007,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,347,899,461.70 : 920,040,592,163.15 = 210,425,717,870.61 : x
  2. Step 2: Convert to fraction form
    613,347,899,461.70/920,040,592,163.15 = 210,425,717,870.61/x
  3. Step 3: Cross multiply
    613,347,899,461.70x = 920,040,592,163.15 × 210,425,717,870.61
  4. Step 4: Simplify right side
    613,347,899,461.70x = 193,600,202,076,031,966,773,248
  5. Step 5: Solve for x
    x = 193,600,202,076,031,966,773,248/613,347,899,461.70
  6. Step 6: Final answer
    x = 315,645,007,092.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.